:root{
  --bg:#f6f7f9;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --primary:#1f4ea3;
  --danger:#b42318;
}

*{ box-sizing:border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 18px;
  border-bottom:1px solid var(--border);
  background:#fff;
}
.brand-title{ font-weight:700; }
.brand-sub{ font-size:12px; color:var(--muted); margin-top:2px; }
.top-actions{ display:flex; gap:8px; align-items:center; }

.container{ max-width:1200px; margin:18px auto; padding:0 14px; }

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:16px;
}

h1{ font-size:20px; margin:0 0 10px 0; }
h2{ font-size:16px; margin:0 0 10px 0; }

.muted{ color:var(--muted); font-size:13px; }
.hint{ color:var(--muted); font-size:12px; margin-top:6px; }

.form-row{ display:flex; flex-direction:column; gap:6px; margin:10px 0; }
.form-row.inline{ flex-direction:row; gap:14px; align-items:center; }
label{ font-size:13px; color:var(--text); }
input, select, textarea{
  border:1px solid var(--border);
  border-radius:10px;
  padding:10px 10px;
  font-size:14px;
  background:#fff;
}
textarea{ resize:vertical; }

.form-actions{ display:flex; gap:10px; margin-top:14px; flex-wrap:wrap; }

.btn{
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  padding:9px 12px;
  border-radius:10px;
  font-weight:600;
  cursor:pointer;
}
.btn:hover{ filter:brightness(0.98); }
.btn-primary{ background:var(--primary); border-color:var(--primary); color:#fff; }
.btn-danger{ background:var(--danger); border-color:var(--danger); color:#fff; }
.btn-secondary{ background:#fff; }

.hidden{ display:none !important; }

.msg{
  margin-top:12px;
  border-radius:10px;
  padding:10px;
  border:1px solid var(--border);
  background:#fafafa;
  font-size:13px;
}
.msg.error{ border-color:#fca5a5; background:#fff1f2; }
.msg.ok{ border-color:#86efac; background:#f0fdf4; }

.layout{
  display:grid;
  grid-template-columns: 320px 1fr;
  gap:14px;
}
@media (max-width: 920px){
  .layout{ grid-template-columns: 1fr; }
}

.content-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}

.table-wrap{
  width:100%;
  overflow:auto;
  border:1px solid var(--border);
  border-radius:12px;
}
table{
  width:100%;
  border-collapse:collapse;
  background:#fff;
}
th, td{
  padding:10px 10px;
  border-bottom:1px solid var(--border);
  font-size:13px;
}
th{
  text-align:left;
  background:#fbfbfb;
  position:sticky;
  top:0;
  z-index:1;
  cursor:pointer;
}
tr:hover td{ background:#fcfcff; }

.pager{
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:flex-end;
  margin-top:10px;
}

.modal{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.4);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:14px;
  z-index:50;
}
.modal-card{
  width:min(860px, 96vw);
  background:#fff;
  border-radius:14px;
  border:1px solid var(--border);
  overflow:hidden;
}
.modal-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 14px;
  border-bottom:1px solid var(--border);
  background:#fbfbfb;
}
.modal-title{ font-weight:800; }
.modal-body{ padding:14px; font-size:13px; line-height:1.4; }
.kv{ display:grid; grid-template-columns: 220px 1fr; gap:8px 10px; }
.k{ color:var(--muted); }
.v{ color:var(--text); }

.grid2{ display:grid; grid-template-columns: 1fr 1fr; gap:10px 14px; }
@media (max-width: 920px){
  .grid2{ grid-template-columns: 1fr; }
}

.file-btn{ position:relative; overflow:hidden; display:inline-flex; align-items:center; gap:8px; }
.file-btn input[type=file]{
  position:absolute;
  inset:0;
  opacity:0;
  cursor:pointer;
}

.col-actions{ width:220px; }